This is a note to let you know that I've just added the patch titled

    rds: prevent dereference of a NULL device in rds_iw_laddr_check

to the 3.13-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rds-prevent-dereference-of-a-null-device-in-rds_iw_laddr_check.patch
and it can be found in the queue-3.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From foo@baz Thu Apr 10 22:03:05 PDT 2014
From: Sasha Levin <[email protected]>
Date: Sat, 29 Mar 2014 20:39:35 -0400
Subject: rds: prevent dereference of a NULL device in rds_iw_laddr_check

From: Sasha Levin <[email protected]>

[ Upstream commit bf39b4247b8799935ea91d90db250ab608a58e50 ]

Binding might result in a NULL device which is later dereferenced
without checking.

Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/rds/iw.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -239,7 +239,8 @@ static int rds_iw_laddr_check(__be32 add
        ret = rdma_bind_addr(cm_id, (struct sockaddr *)&sin);
        /* due to this, we will claim to support IB devices unless we
           check node_type. */
-       if (ret || cm_id->device->node_type != RDMA_NODE_RNIC)
+       if (ret || !cm_id->device ||
+           cm_id->device->node_type != RDMA_NODE_RNIC)
                ret = -EADDRNOTAVAIL;
 
        rdsdebug("addr %pI4 ret %d node type %d\n",


Patches currently in stable-queue which might be from [email protected] are

queue-3.13/rds-prevent-dereference-of-a-null-device-in-rds_iw_laddr_check.patch
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